common.php

   1 <?php // $Id$
   2
   3         error_reporting(E_ALL);
   4
   5         include("config.php");
   6
   7         // $viewcvs prepared by "config.php"
   8         if ($viewcvs==$HTTP_SERVER_VARS["SCRIPT_NAME"])
   9                 unset($viewcvs);
  10         $cvs_id_split=split(" ",$cvs_id);
  11         if (count($cvs_id_split)==8) {
  12                 $cvs_id_split[1]="<a href=\"$viewcvs\">".$cvs_id_split[1]."</a>";
  13                 $cvs_id_split[5]="<a href=\"mailto:".$cvs_id_split[5]."@".$HTTP_SERVER_VARS["HTTP_HOST"]."\">".$cvs_id_split[5]."</a>";
  14                 }
  15         $cvs_id_html=join(" ",$cvs_id_split);
  16
  17         $have_js=(isset($HTTP_GET_VARS["have_js"]) || isset($HTTP_POST_VARS["have_js"])
  18                         ? "?have_js=1" : "");
  19         if (isset($detect_js) && !$have_js)
  20                 $head.='<script type="text/javascript" src="have_js.js"></script>'."\n";
  21
  22         $user_agent=$HTTP_SERVER_VARS["HTTP_USER_AGENT"];
  23         if (ereg("[[:<:]]MSIE ([0-9]+)\\.",$user_agent,$msie_major_a))
  24                 $msie_major=$msie_major_a[1];
  25         else if (ereg("[[:<:]]Mozilla/([0-9]+)\\.",$user_agent,$mozilla_major_a))
  26                 $mozilla_major=$mozilla_major_a[1];
  27
  28 function addpercents($url)
  29 {
  30         $r=$c="";
  31         foreach(preg_split('//', $url, -1, PREG_SPLIT_NO_EMPTY) as $c)
  32                 if (ereg("[a-zA-Z0-9]",$c))
  33                         $r.=$c;
  34                 else
  35                         $r.=sprintf("%%%02X",ord($c));
  36         return($r);
  37 }
  38
  39 function fatal($msg="UNKNOWN")
  40 {
  41         global $admin_mail;
  42
  43         print("\n<br /><h1 class=\"error\">Nastala chyba pøi zpracování: $msg!</h1>\n"
  44                         ."<p>Mù¾ete tento problém nahlásit <a href=\"mailto:$admin_mail\">správci tohoto webu</a>.</p>\n");
  45         footer();
  46 }
  47
  48 function prepvar($name,$regex=".",$require=true)
  49 {
  50         global $HTTP_GET_VARS,$HTTP_POST_VARS;
  51
  52              if (isset($HTTP_GET_VARS[$name]))
  53                 $v=$HTTP_GET_VARS[$name];
  54         else if (isset($HTTP_POST_VARS[$name]))
  55                 $v=$HTTP_POST_VARS[$name];
  56         else
  57                 unset($v);
  58
  59         $name_html="Parametr <span class=\"quote\">".htmlspecialchars($name)."</span>";
  60
  61         $regex="^$regex\$";
  62         if (isset($v) && !ereg($regex,$v))
  63                 fatal("$name_html nevyhovuje po¾adovanému regexu <span class=\"quote\">".htmlspecialchars($regex)."</span>");
  64         if (!isset($v) && $require)
  65                 fatal("$name_html je vy¾adován");
  66
  67         if (!isset($v))
  68                 return(0);
  69
  70         global $$name;
  71         $$name=$v;
  72         return($v);
  73 }
  74
  75 function db_connect()
  76 {
  77         global $db_host,$db_user,$db_pwd,$db_name;
  78         global $db_link;
  79
  80         if (isset($db_link))
  81                 return;
  82         if (!($db_link=@mysql_connect($db_host,$db_user,$db_pwd)))
  83                 fatal("MySQL connect: ".mysql_error());
  84         if (!mysql_select_db($db_name,$db_link))
  85                 fatal("MySQL database select: ".mysql_error());
  86 }
  87
  88 function db_query($query)
  89 {
  90         global $db_link;
  91
  92         db_connect();
  93         if (!($r=mysql_query($query,$db_link)))
  94                 fatal("MySQL query \"$query\": ".mysql_error());
  95         return($r);
  96 }
  97
  98 function db_row($query)
  99 {
 100         $q=db_query($query);
 101         $r=mysql_fetch_row($q);
 102         mysql_free_result($q);
 103         return($r);
 104 }
 105
 106 function db_item($query)
 107 {
 108         $row=db_row($query);
 109         return($row[0]);
 110 }
 111
 112 function month_full($year,$month,$month_last=0)
 113 {
 114         global $tb_obsah;
 115
 116         if (!$month_last)
 117                 $month_last=db_item("select month_last from $tb_obsah where year='$year' and month='$month'");
 118         return(sprintf("%02d".($month==$month_last ? "" : "-%02d"),$month,$month_last));
 119 }
 120
 121 function img_size($width,$height)
 122 {
 123         return("style=\"border:0;width:${width}px;height:${height}px\" width=\"$width\" height=\"$height\"");
 124 }
 125
 126 function footer()
 127 {
 128         // deadlock prevention:
 129         global $footer_passed;
 130         if (isset($footer_passed))
 131                 exit();
 132         $footer_passed=true;
 133
 134         global $cvs_id_html,$viewcvs,$viewcvs,$HTTP_SERVER_VARS;
 135         ?>
 136 <hr />
 137 <table border="0" width="100%">
 138 <tr><td align="left"><span class="cvs-id"><?php print($cvs_id_html); ?></span></td><td align="right"><a
 139         href="http://validator.w3.org/check/referer"><img src="http://www.w3.org/Icons/valid-xhtml10"
 140                 <?php print(img_size(88,31)); ?> alt="Valid XHTML 1.0!" /></a><a
 141         href="http://jigsaw.w3.org/css-validator/validator?warning=2&amp;profile=css2&amp;uri=<?php
 142                 print(addpercents("http://".$HTTP_SERVER_VARS["HTTP_HOST"].$HTTP_SERVER_VARS["REQUEST_URI"]));
 143                 ?>"><img src="http://jigsaw.w3.org/css-validator/images/vcss"
 144                 <?php print(img_size(88,31)); ?> alt="Valid CSS!" /></a></td></tr>
 145 </table>
 146 </body></html>
 147         <?php
 148         exit();
 149 }
 150
 151 function heading()
 152 {
 153         global $msie_major,$mozilla_major,$title_tail,$head_css,$head;
 154
 155         header("Content-type: text/html; charset=iso-8859-2");
 156         if (!isset($msie_major) || $msie_major>=4)
 157                 print('<?xml version="1.0" encoding="iso-8859-2"?>'."\n");
 158 ?>
 159 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 160 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="cs" lang="cs">
 161 <head><title>Energie &amp; peníze<?php
 162         if (isset($title_tail))
 163                 print(": $title_tail");
 164 ?></title>
 165 <style type="text/css"><!--
 166 .cvs-id  { font-family: monospace; }
 167 .error   { color: red; }
 168 .quote   { font-family: monospace; }
 169 body {
 170                 background-color: black;
 171                 color: white;
 172                 }
 173 :link    { color: cyan; }
 174 :visited { color: teal; }
 175 h1,h2    { color: yellow; }
 176 <?php
 177         if (isset($head_css))
 178                 print(trim($head_css)."\n");
 179         print("--></style>\n");
 180         if (isset($head))
 181                 print($head);
 182         print("</head><body");
 183         if (isset($mozilla_major) && $mozilla_major==4)
 184                 print(" bgcolor=\"black\" text=\"white\" link=\"cyan\" vlink=\"teal\"");
 185         print(">\n");
 186 }
 187 ?>